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Related papers: Electronic properties and morphology of Cu-Phthalo…

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Reflection electron energy loss spectroscopy (EELS) in specular and off specular geometry has been employed to study the early stage of the copper phthalocyanine (CuPc) growth on Al (100) substrate. EEL spectroscopy has been a useful tool…

Materials Science · Physics 2009-11-10 A. Ruocco , M. P. Donzello , F. Evangelista , G. Stefani

The magnetic and transport properties of the metal phthalocyanine (MPc) and F$_{16}$MPc (M = Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn and Ag) families of molecules in contact with S-Au wires are investigated by density functional theory within…

Mesoscale and Nanoscale Physics · Physics 2016-01-14 M. M. Fadlallah , U. Eckern , A. H. Romero , U. Schwingenschlögl

Modern photovoltaic devices are often based on a heterojunction structure where two components with different optoelectronic properties are interfaced. The properties of each side of the junction can be tuned by either utilizing different…

We report an advanced organic spin-interface architecture with magnetic remanence at room temperature, constituted by metal phthalocyanine molecules magnetically coupled with Co layer(s), mediated by graphene. Fe- and Cu-phthalocyanines…

The growth and ordering of molecules on surfaces is an intriguing research topic as insights gained here can be of significant relevance for organic electronic devices. While often simple, rigid molecules are employed as model systems, we…

Chemical Physics · Physics 2024-10-02 Baris Oecal , Philipp Weitkamp , Klaus Meerholz , Selina Olthof

Photoionization from atom-C60 hybrid levels in halogen endufullerene molecules, Cl@C60, Br@C60 and I@C60, are calculated using a linear response density functional method. Both the ordinary electron-configuration where the open shell…

Atomic and Molecular Clusters · Physics 2021-06-08 Dakota Shields , Ruma De , Esam Ali , Mohamed E Madjet , Steven T Manson , Himadri S. Chakraborty

Boron subphthalocyanine chloride is an electron donor material used in small molecule organic photovoltaics with an unusually large molecular dipole moment. Using first-principles calculations, we investigate enhancing the electronic and…

Materials Science · Physics 2017-05-08 Michael J. Waters , Daniel Hashemi , Guangsha Shi , Emmanouil Kioupakis , John Kieffer

For a tailored functionalization of cellulose based papers, the interaction between paper fibers and functional additives have to be understood. Planar cellulose surfaces present a suitable model system for studying the binding of…

Soft Condensed Matter · Physics 2021-01-11 Cassia Lux , Thomas Tilger , Ramsia Geisler , Olaf Soltwedel , Regine von Klitzing

2D conjugated polyphthalocyanines can be obtained as two distinctly different types of material with specific molecular structures and different morphological properties. It was believed that the temperature is the key factor affecting the…

The magnetic and electronic properties of metal phthalocyanines (MPc) and fluorinated metal phthalocyanines (F$_{16}$MPc) are studied by means of spin density functional theory (SDFT). Several metals (M) such as Ca, all first d-row…

Materials Science · Physics 2013-04-22 O. I. Arillo-Flores , M. M. Fadlallah , C. Schuster , U. Eckern , A. H. Romero

We have performed a comparative study of the electronic properties of six different electron-doped metal phthalocyanine (MPc) compounds (ZnPc, CuPc, NiPc, CoPc, FePc, and MnPc), in which the electron density is controlled by means of…

Materials Science · Physics 2007-05-23 M. F. Craciun , S. Rogge , A. F. Morpurgo

Iron phthalocyanine (FePc) is a molecular semiconductor whose building blocks are one-dimensional ferromagnetic chains. We show that its optical and magnetic properties are controlled by the growth strategy, obtaining extremely high…

Strongly Correlated Electrons · Physics 2019-10-17 Zhenlin Wu , Peter Robaschik , Luke R. Fleet , Solveig Felton , Gabriel Aeppli , Sandrine Heutz

The structure, and electrical, mechanical and optical properties of few-layer graphene (FLG) synthesized by chemical vapor deposition (CVD) on a Ni coated substrate were studied. Atomic resolution transmission electron microscope (TEM)…

Mesoscale and Nanoscale Physics · Physics 2010-01-18 Hye Jin Park , Jannik Meyer , Siegmar Roth , Viera Skakalova

The perylene-3,4,9,10-tetracarboxylic-dianhydride (PTCDA) and 1,4,5,8-naphthalene-tetracaboxylic-dianhydride (NTCDA) are planar pi-stacking organic molecules that have been shown to be excellent model compounds for studying the growth and…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 P. J. Salazar-Valencia , L. E. Bolivar-Marinez , S. T. Perez-Merchancano

We characterize molecular magnet heterojunctions in which sublimated CoPc films as thin as 5 nm are sandwiched between transparent conducting bottom-layer indium tin oxide and top-layer soft-landing eutectic GaIn (EGaIn) electrodes. The…

Transition metal phthalocyanines (TMPc's) are under intense scrutiny in the field of spintronics, as they may be promising storage devices. The simplicity and cheapness of such molecules increase their commercial potential. There is an…

Materials Science · Physics 2022-10-04 Aleksei Koshevarnikov , Jacek A. Majewski

The organic spinterface describes the spin-polarized properties that develop, due to charge transfer, at the interface between a ferromagnetic metal (FM) and the molecules of an organic semiconductor. Yet, if the latter is also magnetic…

Hybrid systems consisting of metal-fullerene composites exhibit intriguing properties but often suffer from thermal instability. With proper control, such instability can be harnessed to enable the formation of sophisticated nanostructures…

Epitaxial FeRh(100) films (CsCl structure, $\sim 10\ ML\ $ thick), prepared {\it in-situ} on a W(100) single crystal substrate, have been investigated via valence band and core level photoemission. The presence of the temperature-induced,…

Materials Science · Physics 2011-04-29 J. -S. Lee , E. Vescovo , L. Plucinski , C. M. Schneider , C. -C. Kao

Post-deposition CdCl$_2$ treatment of polycrystalline CdTe is known to increase photovoltaic efficiency. However, the precise chemical, structural, and electronic changes that underpin this improvement are still debated. In this study,…

Materials Science · Physics 2018-04-06 Morgann Berg , Jason M. Kephart , Amit Munshi , Walajabad S. Sampath , Taisuke Ohta , Calvin Chan